initialization process on a Frame Relay network. First, the LMI sends a status enquiry notifying
the DTE when the VC is up. After this process, Inverse ARP frames are sent by the routers in
each direction for each Layer 3 protocol configured for the VC. Packets can be forwarded at this
point. Of course, routing protocols will send their initial updates, routes will be learned, and
only then will end-user traffic be able to flow. Figure 8-17 outlines the process.
frames could not be delivered until the VC was up but can be delivered now, the Inverse ARP
announcements declare the Layer 3 addresses. Unless keepalives have been turned off, both the
switch and the router expect to send and receive periodic status and status enquiry messages,
respectively.
of compression are allowed: payload compression and TCP header compression. With TCP